The U.S. Treasury Department imposed sanctions on Iran's leading automotive companies, including Iran Khodro Company and SAIPA Iranian Automobile Manufacturing Company, which together control over 90% of Iran's domestic car market

From the articleTreasury Department sanctions Iran’s automotive and rail sectors, areas Tehran has increasingly relied on due to blockadeAlso in Treasury sanctions operation targets Iran's auto, rail industries in latest economic attack, US Treasury announces sanctions on Iranian railway, automotive industries, Treasury targets Iranian auto, rail sectors in latest round of sanctions, US sanctions target Iran's auto, rail sectors after blockade chokes shipping lanes | Reuters